Product Price Heart Rate Monitor GPS Waterproof Rating (IPX) Battery Life (hours) Screen Size (inches) Activity Tracking
Garmin vívoactive 6
US
£224.12 Up to 50 meters Up to 11 days smartwatch mode; up to 21 hours GPS mode 1.2 in, 390 x 390 AMOLED Multiple sport profiles, VO2 max, sleep, stress, steps, heart rate, SpO2

The vívoactive 6 is a 42mm fitness-focused smartwatch with a 1.2 in AMOLED display, multi‑GNSS built-in GPS, Elevate Gen4 optical HR sensor, and up to 11 days battery in smartwatch mode. It supports extensive activity tracking and music storage, making it suitable for runners and general fitness users who want long battery life and rich training features. It is water rated to 50 meters for swim use.

★ Ideal for

Ideal for users wanting a GPS fitness tracker because it pairs built‑in multi‑GNSS accuracy with a Gen4 optical heart rate sensor and up to 11 days battery life, supporting long outdoor workouts and multi‑sport tracking.

Suunto Suunto Ocean
US
£598.89 100 m up to 50h (GPS training), up to 60h (dive and everyday), up to 200h (tour mode) 1.43 in 115+ sport modes; steps, sleep, calories, recovery, HRV, daily activity tracking

Suunto Ocean is a dive computer and sports watch with a bright 1.43 in AMOLED touchscreen, multi-band GNSS, integrated wrist heart rate, extensive dive features (multi-gas, wireless tank pressure support), and long battery life for dive and GPS training. It includes 32 GB offline maps, 115+ sport modes, and smartphone connectivity via the Suunto app, targeting divers who want a capable everyday sports watch. The watch is rugged with sapphire glass and 100 m water resistance.

★ Ideal for

Ideal for built-in-GPS fitness trackers because it offers multi-band GNSS and integrated wrist heart rate plus long GPS training battery life (up to 50h), supporting accurate outdoor tracking and extended workouts.